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This polygon feature class represents the boundaries for grazing allotments. An Allotment is an area of land designated and managed for grazing of livestock. It may include private, state, and public lands under the jurisdiction of the Bureau of Land Management and/or other federal agencies. An allotment is derived from its pastures, where the grazing of livestock is occuring. These attributes of these grazing allotment features may be duplicated in RAS, but are considered to be minimum information for unique identification and cartographic purposes. Domain values lists are utilized with their appropriate definitions. This is an aggregate national dataset. Source data were received from all or some of the BLM state offices of Alaska, Arizona, California, Colorado, Eastern States, Idaho, Montana, Nevada, New Mexico, Oregon/Washington, Utah, and Wyoming.